One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,11)(3,12,4,8)(5,9,15,10)(7,14,16,13)(17,18,22,24,20,25,21,26)(19,27,30,31,29,23,28,32)(1,3,6,4)(2,7,11,16)(5,14,15,13)(8,9,12,10)(17,19)(18,23)(20,29)(21,28)(22,30)(24,32)(25,27)(26,31)(1,4,6,3)(2,8,11,12)(5,14,15,13)(7,9,16,10)(18,24)(19,28)(21,22)(25,26)(29,30)(31,32)(2,9)(5,15)(7,12)(8,16)(10,11)(13,14)(18,25)(23,27)(24,26)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.